Where do they get those numbers? It's all about framing. They are both in the 'we hate nuclear power' business, which certainly resonates with their target audience in the pacific northwest and they get to use science-y sounding data - as long as they only use some of it.

Their source is the always comprehensive Morbidity and Mortality Weekly Reports which, like all good data, can be used for good or evil. When I wanted to show that Alabama religious people are more accepting of science than atheist hippies in Seattle, the CDC let me do it by showing their shockingly low levels of vaccine acceptance for children.

The authors foment their hysteria by carefully picking 8 cities and comparing the average deaths of babies the month prior to Fukushina with the deaths since. Result: Fukushima radiation is already killing babies.